1973 Sc 4137-4140 30th Anniversary of Stalingrad Victory Scott 4051-4054

1973. 30th Anniversary of Stalingrad Victory.
Catalogs: Scott 4051-4054, Standard Collection 4137-4140, Mi 4088-4091, Yt 3908-3911.
Condition: MNHOG.
Issued on: February 1, 1973.
Perforation: comb 11½ x 12.
Printing: Offset lithography and Recess.
Size: 32.5 x 65 mm; 65 x 32.5 mm.
Colors: Multicolor.
Face value: 3 Russian kopek; 4 Russian kopek; 10 Russian kopek; 12 Russian kopek.
Quantity: 4,000,000; 3,800,000; 3,200,000; 2,800,000.